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210002012002020 = 22357292976888327
BaseRepresentation
bin101111101111111011100111…
…010100111101011011100100
31000112112222220021210121022010
4233233323213110331123210
5210011133110033031040
62022345331550434220
762143100424502200
oct5757734724753344
91015488807717263
10210002012002020
1160a05398041257
121b677968b02970
139024149204634
1439c021a053b00
15194297a965e80
hexbefee753d6e4

210002012002020 has 144 divisors (see below), whose sum is σ = 684742844903040. Its totient is φ = 47948790306816.

The previous prime is 210002012002001. The next prime is 210002012002037. The reversal of 210002012002020 is 20200210200012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210002012001987 and 210002012002005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35712904 + ... + 41175423.

It is an arithmetic number, because the mean of its divisors is an integer number (4755158645160).

Almost surely, 2210002012002020 is an apocalyptic number.

210002012002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002012002020 is an abundant number, since it is smaller than the sum of its proper divisors (474740832901020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210002012002020 is a wasteful number, since it uses less digits than its factorization.

210002012002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76889282 (or 76889273 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210002012002020 its reverse (20200210200012), we get a palindrome (230202222202032).

The spelling of 210002012002020 in words is "two hundred ten trillion, two billion, twelve million, two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 929 980 1470 1858 2787 2940 3716 4645 5574 6503 9290 11148 13006 13935 18580 19509 26012 27870 32515 39018 45521 55740 65030 78036 91042 97545 130060 136563 182084 195090 227605 273126 390180 455210 546252 682815 910420 1365630 2731260 76888327 153776654 230664981 307553308 384441635 461329962 538218289 768883270 922659924 1076436578 1153324905 1537766540 1614654867 2152873156 2306649810 2691091445 3229309734 3767528023 4613299620 5382182890 6458619468 7535056046 8073274335 10764365780 11302584069 15070112092 16146548670 18837640115 22605168138 32293097340 37675280230 45210336276 56512920345 71429255783 75350560460 113025840690 142858511566 214287767349 226051681380 285717023132 357146278915 428575534698 500004790481 714292557830 857151069396 1000009580962 1071438836745 1428585115660 1500014371443 2000019161924 2142877673490 2500023952405 3000028742886 3500033533367 4285755346980 5000047904810 6000057485772 7000067066734 7500071857215 10000095809620 10500100600101 14000134133468 15000143714430 17500167666835 21000201200202 30000287428860 35000335333670 42000402400404 52500503000505 70000670667340 105001006001010 210002012002020